Is it going to be minimal, allowing skins and models; intensive, involving custom scripts gamemodes ect; or non-existant and completley un-suppported outright?

usually when you allow people to modify a game it can do a combination of wonders and horrors to it from what it seems. you get all sorts of thing that make the game genuinley better and extend the lifetime of the game, but then you get all the Game-ruining or over-powered mods... not to mention the ones that legally dont need mentioning.

That being said where do the devs stand on letting people modify the game?

We'd like to allow modding and we have talked about it, but its a bit further down the road after initial release I think. But we do want to allow it & even go as far as doing Steam Workshop integration.